Rock Trumpet

Rock Trumpet (Dipladenia)

The Rock Trumpet (Dipladenia) is a stunning tropical plant prized for its vibrant trumpet-shaped flowers and lush, glossy foliage. Known for its compact growth habit and continuous blooms, it adds a touch of elegance to garden beds, containers, and trellises, thriving in warm climates and bright settings.

Distinctive Features

Rock Trumpet features beautiful trumpet-shaped flowers in shades of red, pink, or white, creating a colorful and inviting display. Its glossy, dark green leaves provide an attractive contrast to the bright blooms. Unlike its close relative, the Mandevilla, Rock Trumpet has a more compact and bushy growth habit, making it ideal for containers and small spaces.

Growing Conditions

• Sun Exposure: Prefers full sun to partial shade. For the best flowering, provide at least 6 hours of direct sunlight each day.


• Soil: Thrives in well-draining, rich soil with a slightly acidic to neutral pH. Good drainage is essential to prevent root rot.


• Water: Water regularly, allowing the top inch of soil to dry out between waterings. Avoid overwatering to prevent root rot.


• Humidity: Prefers moderate humidity levels and benefits from occasional misting in dry conditions.


• USDA Hardiness Zones: 9-11 (grown as an annual in cooler climates or overwintered indoors).

Ideal Uses

• Container Gardening: Rock Trumpet's compact growth makes it perfect for pots and planters on patios, balconies, and entryways.


• Hanging Baskets: The trailing habit of Rock Trumpet makes it an excellent choice for hanging baskets, providing a cascading display of blooms.


• Garden Borders: Adds a splash of color to garden beds and borders, where its lush foliage and bright flowers create a tropical feel.


• Focal Point: Works well as a standalone statement plant or combined with other tropical plants for a striking display.

Low Maintenance Care

Rock Trumpet is a relatively low-maintenance plant that rewards with long-lasting blooms and lush foliage when provided with the right care.

• Watering: Water consistently but avoid overwatering. Ensure proper drainage in containers to prevent waterlogging.


• Pruning: Trim as needed to maintain shape and encourage new growth. Deadhead spent blooms to promote continuous flowering.


• Fertilizing: Apply a balanced, slow-release fertilizer every 4-6 weeks during the growing season to support healthy growth and vibrant flowers.


• Overwintering: In cooler climates, bring the plant indoors before frost and place it in a bright, sunny window.

Why Choose Rock Trumpet?

The Rock Trumpet is a versatile and rewarding plant, offering lush foliage, continuous blooms, and easy maintenance, making it an ideal choice for both novice and experienced gardeners.

• Long-Lasting Blooms: Produces beautiful flowers throughout the growing season.


• Compact Growth: Unlike other vining plants, Rock Trumpet maintains a manageable, bushy habit perfect for small spaces.


• Drought Tolerant: Once established, it is relatively drought-tolerant, making it suitable for warm, dry climates.


• Pollinator-Friendly: Attracts hummingbirds and butterflies, adding life and movement to your garden.

For those looking to add a splash of tropical color with minimal effort, the Rock Trumpet (Dipladenia) is an excellent choice for any garden, patio, or balcony.